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1312113011210 = 25131211301121
BaseRepresentation
bin10011000110000000000…
…001111010101000001010
311122102210102010011210222
4103012000001322220022
5132444201412324320
62442435411310042
7163540245401021
oct23060001725012
94572712104728
101312113011210
11466511651861
12192367bab322
13969687a9ab1
14477141c38b8
15241e756a825
hex1318007aa0a

1312113011210 has 8 divisors (see below), whose sum is σ = 2361803420196. Its totient is φ = 524845204480.

The previous prime is 1312113011191. The next prime is 1312113011249. The reversal of 1312113011210 is 121103112131.

It can be written as a sum of positive squares in 2 ways, for example, as 1310743345129 + 1369666081 = 1144877^2 + 37009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65605650551 + ... + 65605650570.

Almost surely, 21312113011210 is an apocalyptic number.

1312113011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312113011210 is a deficient number, since it is larger than the sum of its proper divisors (1049690408986).

1312113011210 is a wasteful number, since it uses less digits than its factorization.

1312113011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131211301128.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1312113011210 its reverse (121103112131), we get a palindrome (1433216123341).

The spelling of 1312113011210 in words is "one trillion, three hundred twelve billion, one hundred thirteen million, eleven thousand, two hundred ten".

Divisors: 1 2 5 10 131211301121 262422602242 656056505605 1312113011210